Table 7.

A comparative evaluation between the results obtained from the assay of AC using functionalized AC-PM-MWCNTs-Al₂O₃ nanocomposite sensor and the previously reported sensors.

Analytical Techniques	Reagent	Linearity	Reference
Potentiometric plastic membrane	Phosphotungstic acid	1.0 × 10−6-1.0 × 10−2 mol L−1	[9]
Electrochemical sensor	Pencil graphite supported with ethyl cellulose	0.01–200 μmol L−1	[10]
Electrochemical sensor	Cerium oxide with graphene nanosheet	0.039–486.6 μmol L−1	[11]
Polyvinyl plastic membrane	Sodium tetraphenyl borate	6.0 × 10−6-4.0 × 10−2 mol L−1	[12]
Modified CP sensor	AC-PM-MWCNTs-Al2O3 nanocomposite	1.0 × 10−8-1.0 × 10−2 mol L−1	Current study